P/2005 T3 (Read)
메타데이터
| 항목 |
값 |
| Designation |
P/2005 T3 (Read) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2006-01-12T10:35:40.450560Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:53Z |
| Obs used |
42 |
| NEO |
- |
| M1 |
9.200 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2005-10-24.0000000 |
| e |
0.17378534 |
| q (au) |
6.202461 |
| a (au) |
7.507082 |
| i (deg) |
6.263090 |
| Ω (om, deg) |
27.995785 |
| ω (w, deg) |
8.164900 |
| M (ma, deg) |
356.145419 |
밝기
산란 + 전체 선형
$$
M_a = (12.262 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.262 |
| n |
2.000 |
| gf |
0.955 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
8.889 |
| 파라미터 |
기호 |
범위 |
설명 |
| 태양·지구거리 1 AU에서의 절대등급 |
H0 |
-5 to 20 |
혜성의 고유 밝기 |
| 광도 기울기 파라미터 |
n |
2 to 6 |
태양거리 변화에 따른 밝기 변화율 |
| 전방 산란 비대칭 계수 |
gf |
0.8 to 1 |
전방 산란의 강도 |
| 후방 산란 비대칭 계수 |
gb |
-1 to -0.5 |
후방 산란의 강도 |
| 분할 계수 |
k |
0.8 to 1 |
전·후방 산란 기여도 비율 |
| 먼지/가스 밝기 비 |
δ90 |
1 to 10 |
코마에서 먼지 산란 대비 가스 방출의 상대 기여 |
참고: EPSC-DPS2025-160
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
00:49:54.56 |
+04:37:52.4 |
HIP 3929 |
9.14 |
| 2026-02-03 12:00 |
00:50:09.36 |
+04:39:41.6 |
HIP 3929 |
7.54 |
| 2026-02-04 00:00 |
00:50:24.25 |
+04:41:31.4 |
HIP 3929 |
8.00 |
| 2026-02-04 12:00 |
00:50:39.23 |
+04:43:21.6 |
HIP 3929 |
10.29 |
| 2026-02-05 00:00 |
00:50:54.31 |
+04:45:12.4 |
HIP 3929 |
13.52 |
| 2026-02-05 12:00 |
00:51:09.48 |
+04:47:03.7 |
HIP 3929 |
17.19 |
| 2026-02-06 00:00 |
00:51:24.74 |
+04:48:55.5 |
HIP 3929 |
21.08 |
| 2026-02-06 12:00 |
00:51:40.09 |
+04:50:47.7 |
HIP 4169 |
24.22 |
| 2026-02-07 00:00 |
00:51:55.53 |
+04:52:40.5 |
HIP 4169 |
21.08 |
| 2026-02-07 12:00 |
00:52:11.06 |
+04:54:33.7 |
HIP 4173 |
17.89 |
| 2026-02-08 00:00 |
00:52:26.68 |
+04:56:27.5 |
HIP 4173 |
13.61 |
| 2026-02-08 12:00 |
00:52:42.38 |
+04:58:21.7 |
HIP 4173 |
9.34 |
| 2026-02-09 00:00 |
00:52:58.18 |
+05:00:16.3 |
HIP 4173 |
5.20 |
| 2026-02-09 12:00 |
00:53:14.06 |
+05:02:11.5 |
HIP 4173 |
2.26 |
| 2026-02-10 00:00 |
00:53:30.03 |
+05:04:07.1 |
HIP 4173 |
4.69 |
| 2026-02-10 12:00 |
00:53:46.08 |
+05:06:03.1 |
HIP 4173 |
8.84 |
| 2026-02-11 00:00 |
00:54:02.22 |
+05:07:59.6 |
HIP 4173 |
13.21 |
| 2026-02-11 12:00 |
00:54:18.44 |
+05:09:56.6 |
HIP 4173 |
17.65 |
| 2026-02-12 00:00 |
00:54:34.74 |
+05:11:54.0 |
HIP 4325 |
15.67 |
| 2026-02-12 12:00 |
00:54:51.13 |
+05:13:51.8 |
HIP 4325 |
11.36 |
| 2026-02-13 00:00 |
00:55:07.60 |
+05:15:50.1 |
HIP 4325 |
7.29 |
| 2026-02-13 12:00 |
00:55:24.15 |
+05:17:48.8 |
HIP 4325 |
4.33 |
| 2026-02-14 00:00 |
00:55:40.79 |
+05:19:47.9 |
HIP 4325 |
5.12 |
| 2026-02-14 12:00 |
00:55:57.50 |
+05:21:47.5 |
HIP 4325 |
8.73 |
| 2026-02-15 00:00 |
00:56:14.29 |
+05:23:47.5 |
HIP 4325 |
13.01 |
| 2026-02-15 12:00 |
00:56:31.16 |
+05:25:47.8 |
HIP 4325 |
17.50 |
| 2026-02-16 00:00 |
00:56:48.11 |
+05:27:48.6 |
HIP 4325 |
22.07 |
| 2026-02-16 12:00 |
00:57:05.14 |
+05:29:49.8 |
HIP 4518 |
25.56 |
| 2026-02-17 00:00 |
00:57:22.25 |
+05:31:51.4 |
HIP 4518 |
21.93 |
| 2026-02-17 12:00 |
00:57:39.43 |
+05:33:53.4 |
HIP 4518 |
18.78 |
| 2026-02-18 00:00 |
00:57:56.68 |
+05:35:55.7 |
HIP 4518 |
16.39 |
| 2026-02-18 12:00 |
00:58:14.01 |
+05:37:58.4 |
HIP 4518 |
15.17 |
| 2026-02-19 00:00 |
00:58:31.42 |
+05:40:01.6 |
HIP 4518 |
15.40 |
| 2026-02-19 12:00 |
00:58:48.89 |
+05:42:05.0 |
HIP 4518 |
17.05 |
| 2026-02-20 00:00 |
00:59:06.44 |
+05:44:08.9 |
HIP 4518 |
19.77 |
| 2026-02-20 12:00 |
00:59:24.06 |
+05:46:13.1 |
HIP 4518 |
23.20 |
| 2026-02-21 00:00 |
00:59:41.76 |
+05:48:17.6 |
HIP 4686 |
25.03 |
| 2026-02-21 12:00 |
00:59:59.52 |
+05:50:22.5 |
HIP 4686 |
22.03 |
| 2026-02-22 00:00 |
01:00:17.35 |
+05:52:27.8 |
HIP 4686 |
19.78 |
| 2026-02-22 12:00 |
01:00:35.25 |
+05:54:33.3 |
HIP 4686 |
18.59 |
| 2026-02-23 00:00 |
01:00:53.22 |
+05:56:39.2 |
HIP 4686 |
18.67 |
| 2026-02-23 12:00 |
01:01:11.25 |
+05:58:45.5 |
HIP 4841 |
17.82 |
| 2026-02-24 00:00 |
01:01:29.35 |
+06:00:52.0 |
HIP 4841 |
14.91 |